事件日志如下： 
Event Type: Error
Event Source: MSExchangeAL
Event Category: Service Control
Event ID: 8231
Date:  6/1/2008
Time:  5:28:21 PM
User:  N/A
Computer: MAILSRV-BE
Description:
Permanent failure reported by policy group provider for ‘CN=System Policies,CN=MAZEN,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=mazencn,DC=com’:’MAD.EXE’, error=80040103.  Taking provider offline.  
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Data: